package com.zpark.security.distributed.uaa.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.ClientDetailsService;
import org.springframework.security.oauth2.provider.client.JdbcClientDetailsService;
import org.springframework.security.oauth2.provider.code.AuthorizationCodeServices;
import org.springframework.security.oauth2.provider.code.InMemoryAuthorizationCodeServices;
import org.springframework.security.oauth2.provider.code.JdbcAuthorizationCodeServices;
import org.springframework.security.oauth2.provider.token.AuthorizationServerTokenServices;
import org.springframework.security.oauth2.provider.token.DefaultTokenServices;
import org.springframework.security.oauth2.provider.token.TokenEnhancerChain;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.JwtAccessTokenConverter;

import javax.sql.DataSource;
import java.util.Arrays;

/**
 * @PackageName: com.zpark.security.distributed.order.config
 * @ClassName: AuthorizationServer
 * @Description:
 * @author: RZS
 * @date: 2021/8/8  15:20
 */
@Configuration
@EnableAuthorizationServer
public class AuthorizationServer extends AuthorizationServerConfigurerAdapter {

    @Autowired
    private TokenStore tokenStore;

    @Autowired
    private ClientDetailsService clientDetailsService;

    @Autowired
    private AuthorizationCodeServices authorizationCodeServices;

    @Autowired
    private AuthenticationManager authenticationManager;

    @Autowired
    private JwtAccessTokenConverter accessTokenConverter;


    /**
     * 1、客户端详情相关配置
     * @return
     */
    @Bean
    public PasswordEncoder passwordEncoder(){
        return new BCryptPasswordEncoder();
    }

    @Bean
    public ClientDetailsService clientDetailsService(DataSource dataSource){
        ClientDetailsService clientDetailsService1 = new JdbcClientDetailsService(dataSource);
        ((JdbcClientDetailsService)clientDetailsService1).setPasswordEncoder(passwordEncoder());
        return clientDetailsService1;
    }

    /**
     * 授权码管理服务
     * @return
     */
    /*@Bean
    public AuthorizationCodeServices authorizationCodeServices() {
        //设置授权码模式的授权码如何存取，暂时采用内存方式
        return new InMemoryAuthorizationCodeServices();
    }*/

    /**
     * 授权码管理服务
     * 3.配置令牌（token）的访问端点
     */
    @Bean
    public AuthorizationCodeServices authorizationCodeServices(DataSource dataSource) {
        return new JdbcAuthorizationCodeServices(dataSource);//设置授权码模式的授权码如何存取
    }

    /**
     * 2、配置令牌管理服务
     * @return
     */
    @Bean
    public AuthorizationServerTokenServices tokenService() {

        DefaultTokenServices service=new DefaultTokenServices();
        service.setClientDetailsService(clientDetailsService); // 客户端信息服务
        service.setSupportRefreshToken(true); // 是否产生刷新令牌
        service.setTokenStore(tokenStore); // 令牌存储策略，绑定tokenStore

        // 设置令牌增强
        TokenEnhancerChain tokenEnhancerChain = new TokenEnhancerChain();
        tokenEnhancerChain.setTokenEnhancers(Arrays.asList(accessTokenConverter));
        service.setTokenEnhancer(tokenEnhancerChain);

        service.setAccessTokenValiditySeconds(7200); // 令牌默认有效期2小时
        service.setRefreshTokenValiditySeconds(259200); // 刷新令牌默认有效期3天
        return service;
    }

    /**
     * 用来配置令牌端点的安全约束
     * @param security
     * @throws Exception
     */
    @Override
    public void configure(AuthorizationServerSecurityConfigurer security) throws Exception {
        security.tokenKeyAccess("permitAll()")// /oauth/token_key 是公开的，无需登录即可访问
                .checkTokenAccess("permitAll()")// /oauth/check_token 公开
                .allowFormAuthenticationForClients();// 允许表单认证申请令牌
    }

    /**
     * 用来配置客户端详情服务（ClientDetailsService），客户端详情信息在 这里进行初始化，
     * 你能够把客户端详情信息写死在这里或者是通过数据库来存储调取详情信息
     * @param clients
     * @throws Exception
     */
    @Override
    public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
        clients.withClientDetails(clientDetailsService);
        /*clients.inMemory()// 使用in‐memory存储
                .withClient("c1")// client_id
                .secret(new BCryptPasswordEncoder().encode("secret")) // 客户端密钥（密码）
                .resourceIds("res1") // 客户端访问的资源列表
                // 该client允许的授权类型 authorization_code,password,refresh_token,implicit,client_credentials
                .authorizedGrantTypes("authorization_code", "password","client_credentials","implicit","refresh_token")
                .scopes("all")// 允许的授权范围
                .autoApprove(false) // false 跳转到授权页面，true 不跳转到授权页面
                //加上验证回调地址
                .redirectUris("http://www.baidu.com");*/
    }

    /**
     * 用来配置令牌（token）的访问端点和令牌服务(token services)
     * @param endpoints
     * @throws Exception
     */
    @Override
    public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
        endpoints.authenticationManager(authenticationManager)// 认证管理器
                .authorizationCodeServices(authorizationCodeServices)// 授权码服务
                .tokenServices(tokenService())// 令牌管理服务
                .allowedTokenEndpointRequestMethods(HttpMethod.POST);// 允许post方式提交
    }

}
